OpenTechnical

OT-2026-000101867

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000101867) never changes.

Identity and time

Publication numberOT-2026-000101867 · never reused
Internal UUID01a0aea4-50f0-7771-9b29-e9eb7859b10c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101867
StatusPUBLIC

Content hashes

Canonical textf3d554f1b3728d7c274598477bca4ed7234ad2bac28a47bee3f49b2455ff94f6
Markdown22add608f7b3757ed6ab9f8ab40f254356f6250aca721e1e895b89cb68435d89
PDF
Publication pageb50542bb3c8629d3e89d3371d5454d209ab6a1de31ba12abc8a20eb4c94c2a8b
Manifest6c18c7a850407d978ff9a433e45a37ba1f5a158f94ffd7976e528e3af28d7bdc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureLaULLNgCApHVoYEABk9Sa0xXXwbF9kdBRje5S0LvVxuz/bspfQsXIFV+xIafDma1b9rDshnNzO2z56BfM9p3Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:28.325550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101867
observed b50542bb3c8629d3e89d3371d5454d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.305043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101867/manifest.json
observed 6c18c7a850407d978ff9a433e45a37ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.285793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101867/publication.md
observed 22add608f7b3757ed6ab9f8ab40f2543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:28.265617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101867/publication.txt
observed f3d554f1b3728d7c274598477bca4ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.